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bitbake: runqueue: Add pressure change logging

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It is currently hard to tell when bitbake is throttling task execution
due to system pressure changes. Add notes to the console output to make
this clearer, only generating output when the values change.

(Bitbake rev: b5f77e8159ad321f31999af8304f082a2c56b537)

Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
Signed-off-by: Steve Sakoman <steve@sakoman.com>
This commit is contained in:
Richard Purdie
2023-11-10 14:54:34 +01:00
committed by Steve Sakoman
parent a76bc698c4
commit 7057b7bb2b
1 changed files with 4 additions and 0 deletions
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4
bitbake/lib/bb/runqueue.py
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@@ -212,6 +212,10 @@ class RunQueueScheduler(object):
exceeds_cpu_pressure = self.rq.max_cpu_pressure and (float(curr_cpu_pressure) - float(self.prev_cpu_pressure)) > self.rq.max_cpu_pressure
exceeds_io_pressure = self.rq.max_io_pressure and (float(curr_io_pressure) - float(self.prev_io_pressure)) > self.rq.max_io_pressure
exceeds_memory_pressure = self.rq.max_memory_pressure and (float(curr_memory_pressure) - float(self.prev_memory_pressure)) > self.rq.max_memory_pressure
pressure_state = (exceeds_cpu_pressure, exceeds_io_pressure, exceeds_memory_pressure)
if hasattr(self, "pressure_state") and pressure_state != self.pressure_state:
bb.note("Pressure status changed to CPU: %s, IO: %s, Mem: %s" % pressure_state)
self.pressure_state = pressure_state
return (exceeds_cpu_pressure or exceeds_io_pressure or exceeds_memory_pressure)
return False